I have a unitrol natural gas control valve on my hot water heater. When I place my nose next to the black control valve I get a small smell of natural gas. My question is there any parts or orings that can be replaced in this valve short of replacing the entire valve. Thanks!!!!!!

There are no replaceable parts on the gas valve.Make a soapy water solution and apply it to the valve connections. A sign of bubbles will be the leaking point.No bubbles,no leak.The valve can be purchased at Home Improvement stores such as Lowes,Home Depot.

There are no replaceable parts on the gas valve.Make a soapy water solution and apply it to the valve connections. A sign of bubbles will be the leaking point.No bubbles,no leak.The valve can be purchased at Home Improvement stores such as Lowes,Home Depot.

I used a soap solution and I get a small bubble under the black control knob.

To replace the valve you remove the pilot line, main burner and thermocouple. Then use a large pipe wrench to unscrew the valve from the tank. Most people just buy another heater because investing in a new valve may be a waste of money if the tank is rusty. Dumping a bunch of money into a tank that might spring a leak at any time is risky. Now if you found a leaker with a good valve on it then you could maybe make a good water heater out of 2 bad ones. Just something to think about. That valve is not fixable, no parts are available and that is intended. Manufacturers outlawed repairing gas valves years ago. TY Ralph Nader.

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